OECD经合组织：2025年气候俱乐部成员钢铁和水泥行业的碳强度指标报告（英文版）

This report, prepared by the OECD for the Climate Club (Module 1, Pillar 1), presents an overview of the main approaches to, and challenges faced when, calculating product-level carbon intensity metrics. Product-level carbon intensity metrics can be used to develop, monitor, and evaluate carbon emission reduction policies. Such policies can take the form of market-based instruments, including taxes and emissions trading systems, of regulatory instruments, including standards, and of other ins